Splunk Search

Comparing two fields from events with fields from a list Lookup

nalia_v
Loves-to-Learn Everything

Hello.

Again, these lookups ). The hardest thing about queries.

The request itself is the identification of users who logged in not from their workstation.

index=windows user!=*$ 
|search (EventCode=4776 OR EventCode=4624)
|transaction user startswith=(EventCode="4624") endswith=(EventCode="4776")
|lookup workst_user hostname as Source_Workstation OUTPUT user as login
|table _time,EventCode,user,Source_Network_Address,Source_Workstation,dest_nt_host,name,status,dest,Logon_Type,Logon_Process

Fields from Source_Workstation and user events are compared. Fields from the hostname and login list workst_user.

The comparison itself - machines are compared among themselves, and users are among themselves. If any of the comparisons is incorrect, the output of non-matching fields in the event is incorrect. How to build the right look from these conditions ?

Labels (1)
0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Why Splunk Customers Should Attend Cisco Live 2026 Las Vegas

Why Splunk Customers Should Attend Cisco Live 2026 Las Vegas     Cisco Live 2026 is almost here, and this ...

What Is the Name of the USB Key Inserted by Bob Smith? (BOTS Hint, Not the Answer)

Hello Splunkers,   So you searched, “what is the name of the usb key inserted by bob smith?”  Not gonna lie… ...

Automating Threat Operations and Threat Hunting with Recorded Future

    Automating Threat Operations and Threat Hunting with Recorded Future June 29, 2026 | Register   Is your ...